The one-day Cinco de Mayo Festival features local entertainment, fun for the kids, informational booths, plenty of food choices, crowning the “Reina del Cinco de Mayo,” Rosie the Trolley shuttling guests to and from the event, and a low-rider car show. Two stages feature music, dance, and demonstrations. Karate demonstrations, drum corps, youth dance groups, and “future stars” fill the stage. After dark dancing to magical beats by deejay closes out the event. 4-9 p.m. Monday, May 5. 771 Sebastopol Rd., Santa Rosa. For a full schedule, visit santarosacincodemayo.com.